21461645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:892

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 5536627

約数列:

[1, 5, 23, 115, 431, 433, 2155, 2165, 9913, 9959, 49565, 49795, 186623, 933115, 4292329, 21461645]

約数ペア:

[(1, 21461645), (5, 4292329), (23, 933115), (115, 186623), (431, 49795), (433, 49565), (2155, 9959), (2165, 9913)]